Home / 104,328,009.90-156,492,014.85-65,528,880.30

Finding the Fourth Proportional to 104,328,009.90, 156,492,014.85 and 65,528,880.30

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Solution

The fourth proportional to 104,328,009.90, 156,492,014.85 and 65,528,880.30 is: 98,293,320.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,328,009.90 : 156,492,014.85 = 65,528,880.30 : x
  2. Step 2: Convert to fraction form
    104,328,009.90/156,492,014.85 = 65,528,880.30/x
  3. Step 3: Cross multiply
    104,328,009.90x = 156,492,014.85 × 65,528,880.30
  4. Step 4: Simplify right side
    104,328,009.90x = 10,254,746,509,011,472
  5. Step 5: Solve for x
    x = 10,254,746,509,011,472/104,328,009.90
  6. Step 6: Final answer
    x = 98,293,320.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.